TM 10-3930-675-24-1
ENGINE POSITION SENSOR CIRCUITS TROUBLESHOOTING - CONTINUED
0019 00
Table 1. Error Code 1115 - Engine Position
Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1115 - Engine Position Sensor Circuit 13.Reconnect sensor harness to If engine harness requires
Failure - Continued.
engine position sensor. Check replacement, notify Sustainment
for open circuit:
Maintenance.
49 to pin 50 of engine
harness connector. Resis-
tance should be 1,000 to
2,000 Ohms.
47 to pin 48 of engine
harness connector. Resis-
tance should be 1,000 to
2,000 Ohms.
Table 2. Error Code 1121 - Engine Position
Sensor Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1121 - Engine Position Sensor Circuit 1. Ensure that ignition switch is
Failure.
in OFF position. Disconnect
engine harness from engine
position sensor (WP 0094 00).
2. Inspect engine harness and Clean and repair connector(s) as
engine
position
sensor required (WP 0113 00).
connectors for dirty, corroded,
bent, broken, and pushed back
or extended pins.
3. Check engine harness and
Remove dirt and moisture from
engine position sensor for dirt
connector. Replace missing or
or moisture in or on connectors
damaged connector seals (WP
and for missing or damaged
0113 00).
connector seals.
4. Check for short circuit to If resistance is not as specified,
ground:
replace engine position sensor
(WP 0094 00).
engine position sensor
connector pin A to engine
block ground. Resistance
should be greater than 100k
Ohms.
0019 00-5